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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.dom;
import org.w3c.dom.Node;
/**
* An IDOMPosition represents a position in the DOM tree. There are multiple
* ways of identify a position in the tree, such as by saying a offset in
* parent, or before/after a particular node.
*
* NOTE: IDOMPosition and its child class should be implemented as literal. that
* is, they should not be changed after it is constructed.
*
* @author mengbo
*/
public interface IDOMPosition {
/**
*
* @param forward
* if true, same as getNextSiblingNode(), if false, same as
* getPreviousSiblingNode
* @return
*/
public Node getSibling(boolean forward);
public Node getNextSiblingNode();
public Node getPreviousSiblingNode();
public Node getContainerNode();
public int getOffset();
public boolean isText();
/**
* "original" has been replace by "replacement" in the model. If this
* replacement will affect this IDOMPosition, then this method should return
* a new position that is valid after the replacement. If this replacement
* won't affect this position, then the original position should be
* returned.
*
* @param original
* @param replacement
* @return
*/
public IDOMPosition handleReplacement(Node original, Node replacement);
}
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